Mike, for me it was the timing gear off 1 tooth, Ran ok up to about the same
rpm range that you are experiencing.
mike f
seroc
----- Original Message -----
From: "Mike Harper" <roadsterdude1600@yahoo.com>
To: <datsun-roadsters@autox.team.net>
Sent: Sunday, November 18, 2001 8:19 PM
Subject: 4500RPM ceiling
> Seems like I remember a thread awhile back when I did
> not own a 2000 and was not very interested, about some
> folks encountering an accelleration dead spot at 4500
> RPM's.
>
> I had my 2000 out today for a spirited test drive
> after some tune up, and replacing the obnoxiously loud
> electric fuel pump with a manual fuel pump. Seemed to
> be running well with the manual pump, but I was dying
> at about 4500 RPM's. I do not remember this before.
>
> Is there a common cause, (eg., carb richness, timing,
> valve float, manual fuel pump) specific to the 2000?
>
> I also had my sweet, but slower 1600 out today, and at
> 5500 she was still winding strong. (just not the same
> result...)
>
> brain pickin'
>
> Mike Harper
> '66 1600
> '68 2000
> Charleston SC
>
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